| A | B |
|---|
| frequency table | a table that keeps a running number of tally marks |
| histogram | bar graph |
| line plot | a number line with information above or below it |
| stem | the left side of a stem and leaf plot |
| leaf | the right side of a stem and leaf plot |
| back to back stem and leaf plot | a stem and leaf plot that compares two sets of data |
| mean | the mathematic average of a group of numbers |
| median | the middle number(s) of a group of numbers already placed in numerical order |
| mode | the number that appears most in a set of data |
| range | the greatest number minus the smallest number in a group of data |
| quartile | one-fourth of a group of data |
| outlier | a number that is out by itself in a box and whisker plot |
| sample | a group of people who have been surveyed |
